Broadband spintronic terahertz source with peak electric fields exceeding 1.5 MV/cm

R Rouzegar, AL Chekhov, Y Behovits, BR Serrano… - Physical Review …, 2023 - APS
In this work, we improve the performance of an optically pumped spintronic terahertz emitter
(STE) by a factor of up to 6 in field amplitude through an optimized photonic and thermal …

Deterministic inverse design of Tamm plasmon thermal emitters with multi-resonant control

M He, JR Nolen, J Nordlander, A Cleri, NS McIlwaine… - Nature materials, 2021 - nature.com
Wavelength-selective thermal emitters (WS-EMs) are of interest due to the lack of cost-
effective, narrow-band sources in the mid-to long-wave infrared. WS-EMs can be realized …

Microscopic theory of multimode polariton dispersion in multilayered materials

A Mandal, D Xu, A Mahajan, J Lee, M Delor… - Nano Letters, 2023 - ACS Publications
We develop a microscopic theory for the multimode polariton dispersion in materials
coupled to cavity radiation modes. Starting from a microscopic light–matter Hamiltonian, we …

Visible to mid-infrared giant in-plane optical anisotropy in ternary van der Waals crystals

Y Feng, R Chen, J He, L Qi, Y Zhang, T Sun… - Nature …, 2023 - nature.com
Birefringence is at the heart of photonic applications. Layered van der Waals materials
inherently support considerable out-of-plane birefringence. However, funnelling light into …

Tunable magnetless optical isolation with twisted Weyl semimetals

VA Chistyakov, VS Asadchy, S Fan, A Alù… - Nanophotonics, 2023 - degruyter.com
Weyl semimetals hold great promise in revolutionizing nonreciprocal optical components
due to their unique topological properties. By exhibiting nonreciprocal magneto-optical …

Graphene nano-optics in the terahertz gap

FH Feres, ID Barcelos, AR Cadore, L Wehmeier… - Nano …, 2023 - ACS Publications
Graphene nano-optics at terahertz (THz) frequencies (ν) is theoretically anticipated to
feature extraordinary effects. However, interrogating such phenomena is nontrivial, since the …

Fundamentals of polaritons in strongly anisotropic thin crystal layers

KV Voronin, G Álvarez-Pérez, C Lanza… - Acs …, 2024 - ACS Publications
Polaritons in strongly anisotropic thin layers have recently captured considerable attention in
nanophotonics because of their directional propagation at the nanoscale, which offers …

Coupled Tamm phonon and plasmon polaritons for designer planar multiresonance absorbers

M He, JR Nolen, J Nordlander, A Cleri, G Lu… - Advanced …, 2023 - Wiley Online Library
Wavelength‐selective absorbers (WS‐absorbers) are of interest for various applications,
including chemical sensing and light sources. Lithography‐free fabrication of WS‐absorbers …

Radiative heat transfer between multilayer hyperbolic materials in both near-field and far-field

J Zhang, H Liu, K Zhang, J Cao, X Wu - … Journal of Heat and Mass Transfer, 2023 - Elsevier
Hyperbolic materials have attracted much attention in nanophotonics and thermal radiation
because they can support high-wavevector modes. The near-field radiative heat transfer …

Low-symmetry nanophotonics

A Krasnok, A Alú - ACS Photonics, 2022 - ACS Publications
Photonics and optoelectronics are at the foundations of widespread technologies, from high-
speed internet to systems for artificial intelligence, LiDAR, and optical quantum computing …